Why not invent dietary supplements containing the daily requirement of all the vitamins and minerals necessary for a person?

There are formulas that contain all the necessary elements for a complete, balanced daily diet. They are bred like protein blends and drunk, they contain proteins, slow carbohydrates and vegetable fats.

https://www.soylent.com/ (there are probably others) was launched first with the concept of what you can eat only it, now they have changed the message a little and are focusing on an easy replacement for any meal.

And there is nothing to invent. There are dietary supplements - in some of them under a hundred components. Another thing is that the dosage is not simple - the required amounts depend on genetics, age, sex, height, weight, actual health, lifestyle, level of physical activity. typical diet and a lot more. However, special accuracy is usually not required.